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Finding the Fourth Proportional to 545,487.39, 752,384.84 and 364,107.87

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Solution

The fourth proportional to 545,487.39, 752,384.84 and 364,107.87 is: 502,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,487.39 : 752,384.84 = 364,107.87 : x
  2. Step 2: Convert to fraction form
    545,487.39/752,384.84 = 364,107.87/x
  3. Step 3: Cross multiply
    545,487.39x = 752,384.84 × 364,107.87
  4. Step 4: Simplify right side
    545,487.39x = 273,949,239,692.15
  5. Step 5: Solve for x
    x = 273,949,239,692.15/545,487.39
  6. Step 6: Final answer
    x = 502,210.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.